Dr. Marcia Tonnesen, MD

Dr. Marcia Tonnesen, MD

Dermatology  ·  
Female  ·  
Age 71
Dr. Marcia Tonnesen, MD is a dermatologist in East Setauket, NY and has been practicing for 37 years. She graduated from University Of Utah School Of Medicine in 1973 and specializes in dermatology.

181 N Belle Mead Ave Ste 5

East Setauket, NY 11733

Contact Information

Insurance Accepted

  • Blue Cross Blue Shield
  • Blue Cross Blue Shield of Louisiana
  • Blue Cross Blue Shield of Massachusetts
  • Capital District Physician's Health Plan (CDPHP)
  • Cigna
  • EmblemHealth
  • Empire Blue Cross Blue Shield
  • MultiPlan

*Please verify this information when scheduling an appointment.

Learn about Dr. Tonnesen

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Top Care Areas

See how frequently Dr. Tonnesen performs your care needs compared to other doctors.

Seborrheic Dermatitis
more than 38% of peers
Moles (Benign Skin Lesions)
more than 37% of peers
Actinic Keratosis
more than 32% of peers

Dr. Tonnesen's percentages are based on the rate of treatment compared to peers nationwide from insurance data. Learn more info about our data and this Top Care Areas component.

1  Specialties

  • Dermatology

1  Board Certifications

  • Dermatology
    Accredited by: American Board of Dermatology*

28  Conditions Treated

2  Procedures

  • Destruction of Benign Skin Lesion
  • Excision of Skin Lesion

Background Check

0 Malpractice Claims

No malpractice history found for New York.

0 Sanctions

No sanctions history found for the years that Healthgrades collects data.

0 Board Actions

No board actions found for the years that Healthgrades collects data.


  • University Of Utah School Of Medicine
    Medical School | Graduated 1973
  • Barnes Jewish Hospital
    Internship Hospital | Completed 1974
  • Harvard Medical School
    Residency Hospital | Completed 1978
  • Brigham Hospital Harvard
    Fellowship Hospital | Completed 1981

Awards & Recognition

Awards & Honors
  • Healthgrades Honor Roll
Media & Publications

Dr. Tonnesen has no media or publications listed.

Languages Spoken

  • English

Memberships & Professional Affiliations

Dr. Tonnesen does not have any memberships or affiliations listed. If you are Dr. Tonnesen and would like to add memberships or affiliations, please update your profile.

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